Knoxville to Port Arthur: Road Trip Guide & Distance

How far is Knoxville from Port Arthur?

The distance from Knoxville to Port Arthur is 716.3 miles (1152.7 km) as the crow flies. Port Arthur is located WSW of Knoxville. By car, the driving distance is approximately 859.5 miles, taking about 17h 17min. A direct flight would take roughly 1h 56min. Both are located in United States — Knoxville in Tennessee and Port Arthur in Texas.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare. For a trip of this distance, flying is significantly faster. However, driving offers the flexibility to explore stops along the way.

Coordinates come from public place data for Knoxville and Port Arthur. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.